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Lutz Pumpen | Deutschland
Familienbetrieb seit 1954
info@lutz-pumpen.de
+49 9342 879-0

Sealing system Drum Pump: Mechanical Seal MS or Sealless SL

...not be allowed to run dry !

  • Mechanical seal is used for liquids with solids, dirty liquids, glues, resines.
  • The mechanical seal avoids that the liquid will rise within the inner tube.
  • It is recommended to clean the pump after using.
  • Generally - we should avoid dry running.

...can briefly run dry!

  • 95% applications are sealless use – avoiding problems of sealing failure.
  • The sealless design is able to run dry.
  • Determined time max.15-20 minutes.

Type of impeller Drum Pump: Radial-flow impeller L or Axial-flow rotor R

High delivery head

Application: Overcoming larger pressure differences. (Height difference, pressure losses, high density or viscosity)

  • heavy liquids (density > 1.0 kg/dm3)
  • viscous liquids
  • long discharge pipework
  • differential head to overcome
  • pressure drops due to valves, fittings, flow meter
  • filling small canisters
  • low power consumption at a small flow rate 
  • small decrease of the flow rate at increasing operating pressure
  • insensitive to changes in operating conditions

High delivery rate

Usage: Free run out and no significant pressure losses.(decanting a huge amount of liquid)

  • light liquids (density < 1.0 kg/dm³)
  • thin-bodied liquids
  • short discharge pipework
  • low differential head to overcome
  • low pressure drops
  • emptying big containers, pumping high flow rates
  • low power consumption at a larger flow rate
  • noticeable decrease of the flow rate at increasing operating pressure
  • sensitive to changes in operating conditions

Principle: Drum Pump with complete drum drainage RE

A movable sealing cap locks the pump foot and prevents the entered liquid from flowing back into the drum. The closing is carried out by a small lever below the hand wheel. With the motor is switched off, the pump tube holding the liquid can be removed and inserted into the next drum.

the liquid is pumped out

prevents a return flow when pump is removed


Principle: Mixing and Pumping MP (Drum Pump)

A special locking mechanism within the pump opens and closes the mixing apertures in the outer tube. Operation mode "pump only" and "mix & pump" can be changed by means of a hand lever. 


Principle: Lutz Flow meter

The flowing liquid causes the turbine to rotate thereby it accurately measures the pulses. The measured values are transmitted and processed electronically. Thereupon the good readable display shows the sub total and the volume.

The liquid streaming causes a nutating disc to gyrate about its own axis. A multi-pole solenoid is made to rotate via a driver and switches a reed contact through the housing cover. The volume flowing through is determined from the number of pulses.

Two oval gears interlocked and displaced by 90° in the meter housing are rotated by the flowing fluid. By means of the two oval gears a defined fluid volume "in portions" is transported. The magnets placed on the rotors are also rotated.A reed contact fitted outside of the measuring chamber records the magnetic impulses produced. The volume of the flowing fluid is determined by the number of impulses recorded. 


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